According to Logitech’s support page, the problem was caused by “an expired certificate” required for the apps to run.

In SetPoint you need to set the buttons to key presses that you don't use when you're playing. Like N, J, K, L, ;, etc. You can either do this for all applications, or figure out which .exe is running ...

A certificate issue has broken the Logi Options+ app on macOS, leaving many Logitech mouse and keyboard features unusable ...

Imagine you are in the middle of your game, you need to run to shoot down the enemies, but then you get hit because you tried to move quickly, but your mouse didn’t support you. By definition, DPI is ...